been plastering 20 years every now and again a rendering job rears its uglyhead i live in yorkshire not that much call for it here.anyway tried it a few differnt ways eg thin scratch two really thin top coats ,then scratch one thick and derby it off then sponge it im either chasing me arse to finish it or stood twiddling my thumbs.never seem to be happy with it.like i say i hate rendering but not alot seem to want to do it .ican plaster with my eyes shut but everytime i take on a rendering job 2 hours in i wish i had never would have started.any help please